./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:13:06,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:13:06,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:13:06,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:13:06,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:13:06,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:13:06,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:13:06,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:13:06,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:13:06,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:13:06,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:13:06,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:13:06,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:13:06,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:13:06,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:13:06,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:13:06,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:13:06,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:13:06,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:13:06,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:13:06,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:13:06,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:13:06,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:13:06,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:13:06,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:13:06,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:13:06,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:13:06,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:13:06,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:13:06,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:13:06,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:13:06,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:13:06,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:13:06,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:13:06,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:13:06,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:13:06,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:13:06,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:13:06,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:13:06,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:13:06,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:13:06,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:13:06,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:13:06,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:13:06,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:13:06,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:13:06,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:13:06,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:13:06,536 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:13:06,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:13:06,537 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:13:06,537 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:13:06,537 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:13:06,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:13:06,538 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:13:06,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:13:06,539 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:13:06,539 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:13:06,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:13:06,539 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:13:06,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:13:06,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:13:06,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:13:06,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:13:06,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:13:06,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:13:06,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:13:06,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:13:06,542 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:13:06,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:13:06,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:13:06,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:13:06,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:13:06,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:13:06,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:13:06,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:13:06,544 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:13:06,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:13:06,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:13:06,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:13:06,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:13:06,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:13:06,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:13:06,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2022-11-25 22:13:06,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:13:06,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:13:06,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:13:06,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:13:06,868 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:13:06,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-11-25 22:13:10,008 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:13:10,401 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:13:10,401 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-11-25 22:13:10,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/data/3d8f2dac8/c3d9af097dd7405d8a73f698ebb0e663/FLAG24196c187 [2022-11-25 22:13:10,444 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/data/3d8f2dac8/c3d9af097dd7405d8a73f698ebb0e663 [2022-11-25 22:13:10,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:13:10,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:13:10,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:13:10,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:13:10,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:13:10,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:13:10" (1/1) ... [2022-11-25 22:13:10,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf74c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:10, skipping insertion in model container [2022-11-25 22:13:10,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:13:10" (1/1) ... [2022-11-25 22:13:10,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:13:10,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:13:11,088 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-11-25 22:13:11,406 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:13:11,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-11-25 22:13:11,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:13:11,436 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:13:11,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-11-25 22:13:11,614 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:13:11,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-11-25 22:13:11,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:13:11,667 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:13:11,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11 WrapperNode [2022-11-25 22:13:11,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:13:11,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:13:11,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:13:11,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:13:11,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,849 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-25 22:13:11,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:13:11,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:13:11,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:13:11,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:13:11,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,947 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:13:11,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:13:11,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:13:11,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:13:11,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (1/1) ... [2022-11-25 22:13:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:13:12,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:13:12,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:13:12,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:13:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:13:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:13:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:13:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:13:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:13:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:13:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:13:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:13:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:13:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:13:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:13:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:13:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:13:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:13:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:13:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:13:12,303 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:13:12,305 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:13:15,056 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:13:15,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:13:15,541 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-25 22:13:15,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:13:15 BoogieIcfgContainer [2022-11-25 22:13:15,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:13:15,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:13:15,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:13:15,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:13:15,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:13:10" (1/3) ... [2022-11-25 22:13:15,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f1f758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:13:15, skipping insertion in model container [2022-11-25 22:13:15,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:13:11" (2/3) ... [2022-11-25 22:13:15,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f1f758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:13:15, skipping insertion in model container [2022-11-25 22:13:15,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:13:15" (3/3) ... [2022-11-25 22:13:15,561 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2022-11-25 22:13:15,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:13:15,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:13:15,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:13:15,689 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b17fde7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:13:15,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:13:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:13:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:13:15,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:13:15,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:13:15,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:13:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:13:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-25 22:13:15,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:13:15,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729033024] [2022-11-25 22:13:15,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:15,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:13:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:13:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:13:15,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:13:15,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729033024] [2022-11-25 22:13:15,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729033024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:13:15,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:13:15,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:13:15,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400906882] [2022-11-25 22:13:15,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:13:15,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:13:15,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:13:15,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:13:15,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:13:15,916 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:13:17,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:13:17,032 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-25 22:13:17,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:13:17,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 22:13:17,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:13:17,079 INFO L225 Difference]: With dead ends: 2197 [2022-11-25 22:13:17,080 INFO L226 Difference]: Without dead ends: 1097 [2022-11-25 22:13:17,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:13:17,111 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:13:17,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 22:13:17,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-25 22:13:17,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-25 22:13:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:13:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-25 22:13:17,583 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-25 22:13:17,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:13:17,583 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-25 22:13:17,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:13:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-25 22:13:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 22:13:17,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:13:17,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:13:17,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:13:17,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:13:17,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:13:17,588 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-25 22:13:17,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:13:17,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373670141] [2022-11-25 22:13:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:13:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:13:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:13:18,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:13:18,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373670141] [2022-11-25 22:13:18,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373670141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:13:18,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:13:18,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:13:18,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176489338] [2022-11-25 22:13:18,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:13:18,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:13:18,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:13:18,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:13:18,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:13:18,068 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:13:20,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:13:20,237 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-25 22:13:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:13:20,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-25 22:13:20,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:13:20,256 INFO L225 Difference]: With dead ends: 3192 [2022-11-25 22:13:20,256 INFO L226 Difference]: Without dead ends: 2148 [2022-11-25 22:13:20,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:13:20,264 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:13:20,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 22:13:20,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-25 22:13:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-25 22:13:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:13:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-25 22:13:20,696 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-25 22:13:20,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:13:20,696 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-25 22:13:20,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:13:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-25 22:13:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 22:13:20,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:13:20,698 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:13:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:13:20,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:13:20,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:13:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-25 22:13:20,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:13:20,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997872484] [2022-11-25 22:13:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:13:20,850 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:13:20,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770265132] [2022-11-25 22:13:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:20,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:20,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:13:20,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:13:20,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:13:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:13:21,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:13:21,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:13:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:13:21,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:13:21,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:13:21,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997872484] [2022-11-25 22:13:21,627 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:13:21,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770265132] [2022-11-25 22:13:21,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770265132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:13:21,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:13:21,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:13:21,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546376128] [2022-11-25 22:13:21,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:13:21,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:13:21,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:13:21,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:13:21,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:13:21,629 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:13:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:13:23,003 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-25 22:13:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:13:23,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-25 22:13:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:13:23,025 INFO L225 Difference]: With dead ends: 3230 [2022-11-25 22:13:23,025 INFO L226 Difference]: Without dead ends: 2134 [2022-11-25 22:13:23,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:13:23,032 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:13:23,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:13:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-25 22:13:23,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-25 22:13:23,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-25 22:13:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-25 22:13:23,539 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-25 22:13:23,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:13:23,541 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-25 22:13:23,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:13:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-25 22:13:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 22:13:23,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:13:23,552 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:13:23,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:13:23,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:23,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:13:23,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:13:23,763 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-25 22:13:23,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:13:23,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024165919] [2022-11-25 22:13:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:23,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:13:23,843 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:13:23,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1950983908] [2022-11-25 22:13:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:13:23,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:13:23,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:13:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:13:24,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:13:24,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:13:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:13:24,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:13:24,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:13:24,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024165919] [2022-11-25 22:13:24,483 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:13:24,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950983908] [2022-11-25 22:13:24,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950983908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:13:24,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:13:24,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:13:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118670549] [2022-11-25 22:13:24,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:13:24,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:13:24,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:13:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:13:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:13:24,486 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:13:26,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:13:26,876 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-25 22:13:26,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:13:26,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-25 22:13:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:13:26,884 INFO L225 Difference]: With dead ends: 3228 [2022-11-25 22:13:26,884 INFO L226 Difference]: Without dead ends: 1112 [2022-11-25 22:13:26,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:13:26,894 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:13:26,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 22:13:26,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-25 22:13:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-25 22:13:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-25 22:13:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-25 22:13:27,099 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-25 22:13:27,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:13:27,100 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-25 22:13:27,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:13:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-25 22:13:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 22:13:27,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:13:27,101 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:13:27,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:13:27,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:27,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:13:27,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:13:27,309 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-25 22:13:27,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:13:27,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682828817] [2022-11-25 22:13:27,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:27,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:13:27,400 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:13:27,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934520587] [2022-11-25 22:13:27,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:27,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:27,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:13:27,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:13:27,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:13:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:13:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:13:42,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:13:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:13:42,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:13:42,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:13:42,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682828817] [2022-11-25 22:13:42,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:13:42,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934520587] [2022-11-25 22:13:42,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934520587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:13:42,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:13:42,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:13:42,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473364790] [2022-11-25 22:13:42,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:13:42,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:13:42,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:13:42,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:13:42,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:13:42,062 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:13:43,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:13:43,541 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-25 22:13:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:13:43,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-25 22:13:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:13:43,553 INFO L225 Difference]: With dead ends: 2207 [2022-11-25 22:13:43,553 INFO L226 Difference]: Without dead ends: 1114 [2022-11-25 22:13:43,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:13:43,560 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:13:43,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:13:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-25 22:13:43,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-25 22:13:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-25 22:13:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-25 22:13:43,859 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-25 22:13:43,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:13:43,859 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-25 22:13:43,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:13:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-25 22:13:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:13:43,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:13:43,860 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:13:43,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:13:44,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:44,061 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:13:44,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:13:44,062 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-25 22:13:44,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:13:44,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660281627] [2022-11-25 22:13:44,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:44,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:13:44,124 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:13:44,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359170630] [2022-11-25 22:13:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:13:44,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:13:44,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:13:44,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:13:44,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df7b1a50-bbaa-4dea-a395-8d48bacba742/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:14:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:30,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 22:14:30,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:14:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 22:14:30,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:14:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:14:30,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:30,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660281627] [2022-11-25 22:14:30,633 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:14:30,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359170630] [2022-11-25 22:14:30,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359170630] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:14:30,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [110909414] [2022-11-25 22:14:30,663 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-25 22:14:30,663 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:14:30,667 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:14:30,673 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:14:30,674 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:14:30,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:14:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,795 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:14:30,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 22:14:30,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 22:14:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-25 22:14:30,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:14:30,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,900 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:14:30,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 22:14:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,950 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:14:30,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 22:14:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:30,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-25 22:14:31,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:14:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:14:31,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:14:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 22:14:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-25 22:14:31,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:14:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:14:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:14:31,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:14:31,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:14:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 22:14:31,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:14:31,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:14:31,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:31,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,031 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:14:32,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 22:14:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,120 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:14:32,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 22:14:32,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:14:32,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:14:32,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:14:32,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:14:32,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:14:32,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-25 22:14:32,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:14:32,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 22:14:32,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:14:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:14:32,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:14:32,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:14:32,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:14:32,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 22:14:32,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:14:32,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:14:33,714 INFO L217 Elim1Store]: Index analysis took 641 ms [2022-11-25 22:14:37,552 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 22:14:37,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 22:14:39,687 INFO L217 Elim1Store]: Index analysis took 1869 ms [2022-11-25 22:14:40,518 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 22:14:40,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 22:14:47,198 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:14:47,198 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:14:47,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-25 22:14:47,603 INFO L217 Elim1Store]: Index analysis took 187 ms [2022-11-25 22:15:08,641 WARN L233 SmtUtils]: Spent 21.03s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:15:08,642 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:15:08,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-25 22:15:10,194 INFO L217 Elim1Store]: Index analysis took 940 ms [2022-11-25 22:15:36,823 WARN L233 SmtUtils]: Spent 26.07s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:15:36,824 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-25 22:15:36,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-25 22:15:38,795 INFO L217 Elim1Store]: Index analysis took 175 ms [2022-11-25 22:15:39,362 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:15:39,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-25 22:15:39,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-25 22:15:40,033 INFO L217 Elim1Store]: Index analysis took 349 ms [2022-11-25 22:15:40,774 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:15:40,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-25 22:15:41,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:15:41,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 22:15:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:41,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 22:15:41,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:41,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 22:15:41,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:15:41,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:15:41,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:15:41,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:15:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:44,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:15:44,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:15:44,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:15:44,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-25 22:15:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:45,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:15:45,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:15:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:45,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:15:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:45,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:15:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:46,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:15:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:47,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:15:47,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 22:15:59,060 INFO L217 Elim1Store]: Index analysis took 1522 ms [2022-11-25 22:25:40,567 WARN L233 SmtUtils]: Spent 9.69m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:25:40,568 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-25 22:25:40,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-25 22:26:36,556 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:26:37,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:37,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:37,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:37,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:37,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:38,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:39,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:39,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:39,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:39,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:46,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:50,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:50,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:50,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:50,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:52,546 INFO L217 Elim1Store]: Index analysis took 15481 ms [2022-11-25 22:26:52,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-25 22:26:54,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:54,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:54,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:54,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:54,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:55,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:57,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:57,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:57,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:26:57,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:04,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:09,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:09,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:09,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:09,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:11,451 INFO L217 Elim1Store]: Index analysis took 17004 ms [2022-11-25 22:27:11,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-25 22:27:16,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:17,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:18,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:24,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:25,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:25,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:25,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:25,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:26,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:26,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:36,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:36,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:39,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:43,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:49,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:52,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:52,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:52,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:54,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:54,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:55,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:01,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:03,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:05,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:06,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:08,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:08,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:08,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:09,329 INFO L217 Elim1Store]: Index analysis took 57123 ms [2022-11-25 22:28:13,213 INFO L321 Elim1Store]: treesize reduction 12013, result has 0.0 percent of original size [2022-11-25 22:28:13,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 34 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-25 22:28:18,645 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_30| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_30| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_30| .cse2 (store (select |v_#memory_$Pointer$.base_30| .cse2) .cse3 v_DerPreprocessor_6)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ 20 (select (select (store |v_#memory_$Pointer$.offset_30| .cse2 (store (select |v_#memory_$Pointer$.offset_30| .cse2) .cse3 v_DerPreprocessor_8)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) v_DerPreprocessor_7))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) |ULTIMATE.start_main_~_hj_key~0#1.base|) [2022-11-25 22:28:18,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:19,198 INFO L173 IndexEqualityManager]: detected equality via solver